<template>
    <div class="wrapper">
      <swiper :options="swiperOption" >
        <swiper-slide v-for="(page,index) of pages" :key="index">
          <div class="icon" v-for="item of page" :key="item.id">
            <div class="icon-img">
              <img class="icon-img-content" :src="item.imgUrl" />
            </div>
            <p class="icon-desc">{{item.desc}}</p>
           </div>
        </swiper-slide>
        <div class="swiper-pagination"  slot="pagination"></div>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  props: {
    iconList: Array
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .wrapper >>> .swiper-pagination-bullet-active
    background: #fff;
  .wrapper
    touch-action : none;
    overflow :hidden;
    width :100%;
    height :0;
    padding-bottom :50%;
    margin-top: .2rem;
    .icon
      position :relative;
      overflow :hidden;
      float :left;
      width :25%;
      height :0;
      padding-bottom :25%;
      .icon-img
        position: absolute;
        top:0;
        left:0;
        right:0;
        bottom:.44rem;
        box-sizing: border-box;
        padding: .1rem;
        .icon-img-content
          display: block;
          margin: 0 auto;
          height: 100%;
      .icon-desc
        position :absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height :.44rem;
        line-height :.44rem;
        color: $darkTextColor;
        text-align :center;
        ellipse();
</style>
